Determination Of Diagnostic X-Ray Spectra From Ionization Chamber Measurements

J. O. Barnes; J. Y. Ting; P. N. Shrivastava

doi:10.1117/12.965390

23 December 1976 Determination Of Diagnostic X-Ray Spectra From Ionization Chamber Measurements

J. O. Barnes, J. Y. Ting, P. N. Shrivastava

Proceedings Volume 0096, Application of Optical Instrumentation in Medicine V; (1976) https://doi.org/10.1117/12.965390
Event: Application of Optical Instrumentation in Medicine V, 1976, Washington, D.C., United States

Abstract

The x-ray spectrum of a diagnostic x-ray unit has a fundamental influence on the performance of the unit, i.e., the required patient exposure and image quality. This article describes a method of obtaining approximate spectral distributions from computer analysis of ionization chamber measurements of attenuation of the beam by a standard material. The results are compared with measurements made under identical conditions with a lithium drifted silicon solid state spectrometer. The value of attenuation analysis data for radiologic physics calculations and possible modifications of the technique are discussed.

Citation Download Citation

J. O. Barnes, J. Y. Ting, and P. N. Shrivastava "Determination Of Diagnostic X-Ray Spectra From Ionization Chamber Measurements", Proc. SPIE 0096, Application of Optical Instrumentation in Medicine V, (23 December 1976); https://doi.org/10.1117/12.965390

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